103 lines
2.4 KiB
Go
103 lines
2.4 KiB
Go
// The googlecompute package contains a packer.Builder implementation that
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// builds images for Google Compute Engine.
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package googlecompute
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import (
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"log"
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"github.com/mitchellh/multistep"
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"github.com/mitchellh/packer/common"
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"github.com/mitchellh/packer/packer"
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)
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// The unique ID for this builder.
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const BuilderId = "packer.googlecompute"
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// Builder represents a Packer Builder.
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type Builder struct {
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config *Config
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runner multistep.Runner
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}
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// Prepare processes the build configuration parameters.
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func (b *Builder) Prepare(raws ...interface{}) ([]string, error) {
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c, warnings, errs := NewConfig(raws...)
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if errs != nil {
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return warnings, errs
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}
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b.config = c
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return warnings, nil
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}
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// Run executes a googlecompute Packer build and returns a packer.Artifact
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// representing a GCE machine image.
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func (b *Builder) Run(ui packer.Ui, hook packer.Hook, cache packer.Cache) (packer.Artifact, error) {
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// Initialize the Google Compute Engine API.
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client, err := New(b.config.ProjectId, b.config.Zone, b.config.clientSecrets, b.config.privateKeyBytes)
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if err != nil {
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log.Println("Failed to create the Google Compute Engine client.")
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return nil, err
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}
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// Set up the state.
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state := new(multistep.BasicStateBag)
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state.Put("config", b.config)
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state.Put("client", client)
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state.Put("hook", hook)
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state.Put("ui", ui)
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// Build the steps.
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steps := []multistep.Step{
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new(StepCreateSSHKey),
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new(StepCreateInstance),
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}
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/*
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new(stepInstanceInfo),
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&common.StepConnectSSH{
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SSHAddress: sshAddress,
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SSHConfig: sshConfig,
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SSHWaitTimeout: 5 * time.Minute,
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},
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new(common.StepProvision),
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new(stepUpdateGsutil),
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new(stepCreateImage),
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new(stepUploadImage),
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new(stepRegisterImage),
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}*/
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// Run the steps.
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if b.config.PackerDebug {
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b.runner = &multistep.DebugRunner{
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Steps: steps,
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PauseFn: common.MultistepDebugFn(ui),
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}
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} else {
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b.runner = &multistep.BasicRunner{Steps: steps}
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}
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b.runner.Run(state)
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// Report any errors.
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if rawErr, ok := state.GetOk("error"); ok {
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return nil, rawErr.(error)
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}
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if _, ok := state.GetOk("image_name"); !ok {
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log.Println("Failed to find image_name in state. Bug?")
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return nil, nil
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}
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artifact := &Artifact{
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imageName: state.Get("image_name").(string),
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client: client,
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}
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return artifact, nil
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}
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// Cancel.
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func (b *Builder) Cancel() {
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if b.runner != nil {
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log.Println("Cancelling the step runner...")
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b.runner.Cancel()
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}
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}
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